an unpleasant event, especially in a vehicle, that happens unexpectedly and causes injury or damage
accident
an accident in which a vehicle hits something, for example another vehicle, usually causing damage and often injuring or killing the passengers
crash
a person who is travelling in a car, bus, train, plane or ship and who is not driving it or working on it
passenger
The rules that you must follow when you are on the road.
traffic rule
not allowed by the law
illegal
a flat part at the side of a road for people to walk on
pavement
the amount of speed that you are allowed to run on the road.
speed limit
